Brown, C.: ¬The evolution of preprints in the scholarly communication of physicists and astronomers (2001)
0.03
0.027455831 = product of:
0.054911662 = sum of:
0.054911662 = product of:
0.109823324 = sum of:
0.109823324 = weight(_text_:200 in 5184) [ClassicSimilarity], result of:
0.109823324 = score(doc=5184,freq=2.0), product of:
0.3432627 = queryWeight, product of:
5.7915254 = idf(docFreq=366, maxDocs=44218)
0.059269827 = queryNorm
0.31993958 = fieldWeight in 5184, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.7915254 = idf(docFreq=366, maxDocs=44218)
0.0390625 = fieldNorm(doc=5184)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and technology. 52(2001) no.3, S.187-200